172580672 has 56 divisors (see below), whose sum is σ = 382353312. Its totient is φ = 76608000.

The previous prime is 172580671. The next prime is 172580693. The reversal of 172580672 is 276085271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172580671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27422 + ... + 33122.

Almost surely, 2^172580672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172580672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191176656).

172580672 is an abundant number, since it is smaller than the sum of its proper divisors (209772640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172580672 is a wasteful number, since it uses less digits than its factorization.

172580672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767 (or 5757 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 172580672 is about 13136.9963081368. The cubic root of 172580672 is about 556.7549050765.

The spelling of 172580672 in words is "one hundred seventy-two million, five hundred eighty thousand, six hundred seventy-two".